3117140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 7432320

約数和(自身を除く): 4315180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 631, 988, 1235, 1262, 2470, 2524, 3155, 4940, 6310, 8203, 11989, 12620, 16406, 23978, 32812, 41015, 47956, 59945, 82030, 119890, 155857, 164060, 239780, 311714, 623428, 779285, 1558570, 3117140]

約数ペア:

[(1, 3117140), (2, 1558570), (4, 779285), (5, 623428), (10, 311714), (13, 239780), (19, 164060), (20, 155857), (26, 119890), (38, 82030), (52, 59945), (65, 47956), (76, 41015), (95, 32812), (130, 23978), (190, 16406), (247, 12620), (260, 11989), (380, 8203), (494, 6310), (631, 4940), (988, 3155), (1235, 2524), (1262, 2470)]